--- openflow-2012-03-22.h	2015-07-23 09:54:17.068479359 -0700
+++ openflow-2012-03-22-2.h	2015-07-23 09:54:17.072479359 -0700
@@ -1264,7 +1264,7 @@
     //uint8_t pad[2];       /* Align to 64 bit + 16 bit */
     //uint8_t data[0];      /* Ethernet frame */
 };
-OFP_ASSERT(sizeof(struct ofp_packet_in) == 24);
+OFP_ASSERT(sizeof(struct ofp_packet_in) == 32);
 
 /* Why was this flow removed? */
 enum ofp_flow_removed_reason {
